Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 294, NWS Tulsa, OK

June 21, 2004Franklin County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jun 21, 2004, 7:54 AM CDT for Franklin County, Arkansas. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 21, 2004, 7:54 AM CDT (12:54 UTC)
Expired
Jun 21, 2004, 8:45 AM CDT
In force
51 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 46 km from the middle of the area, began a volume at 12:56 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 0.9 hours before the alert went out and 317 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2004-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 150 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2004-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
150 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
985 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

592 
WUUS54 KTSA 211254
SVRTUL
ARC047-211345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
754 AM CDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 845 AM CDT

* AT 754 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 13
  MILES WEST OF OZARK...MOVING EAST AT 25 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OZARK...
  DENNING...ALTUS AND WIEDERKEHR VILLAGE.

HAIL TO THE SIZE OF PENNIES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED
IN THE WARNED AREA. STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE
STORM HAS PASSED.

LAT...LON 3554 9408 3537 9408 3538 9369 3570 9369

$$

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

Hazardous weather outlook, Jun 21, 5:00 AM CDT, 2 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
500 AM CDT MON JUN 21 2004

ARZ001-002-010-011-019-020-029-OKZ049-053>076-221100-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
500 AM CDT MON JUN 21 2004

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY AND TONIGHT

...ISOLATED SEVERE THUNDERSTORMS AND FLASH FLOODING POSSIBLE TODAY
AND TONIGHT...

TWO STORM COMPLEXES WERE MERGING ACROSS OKLAHOMA AND NORTHWEST
ARKANSAS.  THE EVENTUAL LARGE STORM COMPLEX WILL SPREAD EAST AND
SOUTHEAST ACROSS MOST OF EASTERN OKLAHOMA AND WESTERN ARKANSAS THIS
MORNING.  ISOLATED STORMS MAY APPROACH SEVERE LEVELS WITH HAIL AND
STRONG WINDS.  IN ADDITION...LOCALLY HEAVY RAINS WILL OCCUR.

THIS MORNING COMPLEX OF STORMS WILL STABILIZE THE ATMOSPHERE AND
LEAVE A BOUNDARY STALLED IN NORTH TEXAS.  THIS BOUNDARY IS EXPECTED
TO LIFT BACK INTO SOUTHERN OKLAHOMA THIS EVENING AND BE THE FOCUS
FOR NEW STORM DEVELOPMENT.  WINDS ALOFT WILL BE RATHER WEAK...BUT
STRONG INSTABILITY WILL SUPPORT A SEVERE STORM THREAT.  THE EXPECTED
TRAINING OF INDIVIDUAL CELLS ACROSS THE SAME AREA WILL RESULT IN
EXCESSIVE RAINS THAT MAY LEAD TO FLASH FLOODING.

THE FINAL POSITION OF THE BOUNDARY WILL DETERMINE WHAT AREAS WILL
SEE THE GREATEST RISK.  AS OF EARLY THIS MORNING IT APPEARS THAT THE
MOST LIKELY AREA FOR STORMS AND FLASH FLOODING WILL BE IN SOUTHEAST
OKLAHOMA.

A POTENTIALLY SERIOUS FLASH FLOOD THREAT MAY DEVELOP.  ALL INTERESTS
IN EASTERN OKLAHOMA AND WESTERN ARKANSAS SHOULD LISTEN FOR LATER
FORECASTS AND POSSIBLE WATCHES AND WARNINGS.

SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...
SPOTTERS AND EMERGENCY OPERATIONS CENTERS MAY NEED TO ACTIVATE TODAY
OR TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE RISK OF THUNDERSTORMS WILL PERSIST INTO TUESDAY WITH ANOTHER
POSSIBILITY OF THUNDERSTORMS OCCURRING FRIDAY...SATURDAY AND SUNDAY.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION

In the hours before

Special weather statement, Jun 21, 2:13 AM CDT, 5 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
213 AM CDT MON JUN 21 2004

OKZ054>056-059>061-064-067-210815-
CREEK OK-NOWATA OK-OSAGE OK-PAWNEE OK-ROGERS OK-TULSA OK-WAGONER
OK-WASHINGTON OK-
213 AM CDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 315 AM CDT
FOR THE FOLLOWING COUNTIES:

IN NORTHEAST OKLAHOMA
     OSAGE...WASHINGTON...NOWATA...ROGERS...PAWNEE...TULSA...CREEK
     AND WAGONER

AT 211 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 19 MILES NORTH OF PEARSONIA TO 3 MILES WEST OF
CLEVELAND TO 7 MILES SOUTHWEST OF DRUMRIGHT...MOVING EAST AT 45 MPH.

SOME LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...
MANNFORD...CLAREMORE...CATOOSA...PAWHUSKA...HOMINY...BARNSDALL...
TULSA...SAND SPRINGS... BIXBY...JENKS...OWASSO...GLENPOOL...
SPERRY...SKIATOOK...COLLINSVILLE...BROKEN ARROW...
BARTLESVILLE...COWETA...KIEFER ...DRUMRIGHT...OILTON...KELLYVILLE
AND SAPULPA.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH AND A
PERIOD OF HEAVY RAIN.  THESE WIND GUSTS COULD BREAK A FEW SMALL
BRANCHES OR BLOW LIGHT WEIGHT OBJECTS SUCH AS LAWN FURNITURE.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ALERT IS UPGRADED TO A WARNING.
Special weather statement, Jun 21, 5:41 AM CDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
541 AM CDT MON JUN 21 2004

OKZ064>066-071-211145-
CREEK OK-MCINTOSH OK-OKFUSKEE OK-OKMULGEE OK-
541 AM CDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 645 AM CDT
FOR THE FOLLOWING COUNTIES:

IN NORTHEAST OKLAHOMA
     CREEK AND OKMULGEE

IN EAST CENTRAL OKLAHOMA
     OKFUSKEE

IN SOUTHEAST OKLAHOMA
     MCINTOSH

AT 541 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 5 MILES NORTHWEST OF BRISTOW TO 2 MILES SOUTHEAST
OF BOLEY TO 38 MILES SOUTHWEST OF BEARDEN...MOVING EAST AT 35 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS INCLUDE...
OKEMAH...WELEETKA...BEARDEN...OKMULGEE...HENRYETTA...MORRIS...
BEGGS...BRISTOW AND MOUNDS.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ALERT IS UPGRADED TO A WARNING.
Special weather statement, Jun 21, 6:24 AM CDT, 1 hour 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
624 AM CDT MON JUN 21 2004

OKZ073-211230-
PITTSBURG OK-
624 AM CDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 730 AM CDT
FOR THE FOLLOWING COUNTY:

IN SOUTHEAST OKLAHOMA
     PITTSBURG

AT 624 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 21 MILES NORTHWEST OF INDIANOLA TO 17 MILES WEST
OF SCIPIO TO 35 MILES WEST OF ASHLAND...MOVING EAST SOUTHEAST AT
35 MPH.

A LARGE PORTION OF PITTSBURG COUNTY WILL BE AFFECTED BY THESE STORMS
THROUGH 730 AM CDT.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
Special weather statement, Jun 21, 7:40 AM CDT, 14 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
740 AM CDT MON JUN 21 2004

OKZ070-072-074-076-211345-
HASKELL OK-LE FLORE OK-MUSKOGEE OK-SEQUOYAH OK-
740 AM CDT MON JUN 21 2004

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ALERT EFFECTIVE UNTIL 845 AM CDT
FOR THE FOLLOWING COUNTIES:

IN EAST CENTRAL OKLAHOMA
     MUSKOGEE AND SEQUOYAH

IN SOUTHEAST OKLAHOMA
     HASKELL AND NORTHERN LE FLORE

AT 740 AM CDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A
LINE EXTENDING FROM 3 MILES NORTH OF WARNER TO 5 MILES WEST OF
BRIARTOWN TO 9 MILES SOUTHWEST OF LEWISVILLE...MOVING EAST AT 30 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED BY THESE STORMS
INCLUDE...

STIGLER...LEQUIRE...KINTA...MC CURTAIN...WHITEFIELD...KEOTA...
SALLISAW...GANS...MULDROW...ROLAND...VIAN...GORE...
SHADY POINT...PANAMA...BOKOSHE...SPIRO...COWLINGTON...PORUM...
WARNER AND WEBBERS FALLS.

THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ALERT IS UPGRADED TO A WARNING.

Nearby

Severe Thunderstorm Warnings in Arkansas, 2004Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.